import {Injectable} from '@angular/core';
import {AppConfig} from '../config';
import {TurbStatus} from '../entity/turbstatus.model';
import {Observable} from 'rxjs/Observable';
import {InterceptorService} from './interceptor/interceptor-service';

@Injectable()
export class TurbStatusService {
  private param = 'turbStatuses';

  private get url(): string {
    return `${AppConfig.APP_RESTFUL}/${this.param}`;
  }


  constructor(private http: InterceptorService) {

  }

  /**
   * 获取状态列表
   *
   * @returns {Promise<TurbStatus[]>}
   * @memberof TurbStatusService
   */
  getTurbStatuies(): Promise<TurbStatus[]> {
    return this.http.get(this.url)
      .toPromise()
      .then(response => {
        return response.code === '200' ? response.data as TurbStatus[] : [];
      })
      .catch(this.handleError);
  }

  /**
   * 获得风机状态
   *
   * @returns {Promise<TurbStatus[]>}
   * @memberof TurbStatusService
   */
  getTurbStatus(): Promise<TurbStatus[]> {
    return this.http.get(`${this.url}/turbine`).toPromise().then(response => {
      return response.code === '200' ? response.data as TurbStatus[] : [];
    }).catch(this.handleError);
  }

  /**
   * ��������״̬
   *
   * @returns {Promise<TurbStatus[]>}
   * @memberof TurbStatusService
   */
  getInverterStatus(): Promise<TurbStatus[]> {
    return this.http.get(`${this.url}/inverter`)
      .toPromise()
      .then(response => {
        return response.code === '200' ? response.data as TurbStatus[] : [];
      })
      .catch(this.handleError);
  }

  create(turbStatus: TurbStatus): Promise<TurbStatus> {
    return this.http
      .post(this.url, JSON.stringify(turbStatus))
      .toPromise()
      .then(res => res.code === '200' ? res.data : [])
      .catch(this.handleError);
  }

  update(turbStatus: TurbStatus): Promise<TurbStatus> {
    const url = `${this.url}`;
    return this.http
      .put(url, JSON.stringify(turbStatus))
      .toPromise()
      .then(() => turbStatus)
      .catch(this.handleError);
  }

  delete(id: number): Promise<void> {
    const url = `${this.url}/${id}`;
    return this.http.delete(url)
      .toPromise()
      .then(() => null)
      .catch(this.handleError);
  }

  batchDelete(keyIds: number[]): Promise<boolean> {
    const apiUrl = `${this.url}?items=${keyIds}`;
    return this.http.delete(apiUrl)
      .toPromise()
      .then(response => {
        try {
          let result = response;
          switch (result.code) {
            case '200':
              return true;
            case '-1':
              throw new Error(result.message);
          }
        }
        catch (error) {
          throw error;
        }

      })
      .catch(this.handleError);
  }

  hasStatusName(statusVal: string, statusId: number, name: string): Observable<boolean> {
    const url = `${this.url}/${name}/${statusVal}/statusId/${statusId}`;
    return this.http.get(url).map(response => {
      let code = response.code;
      switch (code) {
        case '3001':
          return true;
        case '3002':
          return false;
      }

    }).catch(this.handleError);
  }

  hasStatusColor(statusColor: string, statusId: number): Observable<boolean> {
    statusColor = statusColor.replace(/\#/, '%23');
    const url = `${this.url}/statusColor/${statusColor}/statusId/${statusId}`;
    return this.http.get(url).map(response => {
      let code = response.code;
      switch (code) {
        case '3001':
          return true;
        case '3002':
          return false;
      }

    }).catch(this.handleError);
  }

  private handleError(error: any): Promise<any> {
    // console.error('An error occurred', error); // for demo purposes only
    return Promise.reject(error.message || error);
  }
}
